.understand-content {
  width: 100%;
  height: 684px;
  background: #F6F6F6;
  display: flex;
  flex-direction: column;

  .understand-box {
    width: 1034px;
    margin: 0 auto;
    margin-top: 61px;
    position: relative;

    .img-box {
      width: 100%;
      height: 390px;
    }

    .footer-box {
      width: 100%;
      height: 172px;
      background: #FFFFFF;
      padding-top: 55px;
      display: flex;

      .ul-box {
        margin-left: auto;
        display: flex;
        margin-right: 38px;

        .list-group-item {
          .top-box {
            display: flex;
            margin-bottom: 12px;
            align-items: flex-end;

            .text1 {
              font-family: DIN;
              font-weight: bold;
              font-size: 33px;
              line-height: 33px;
              color: #D31F29;
              margin-right: 3px;
            }

            .text2 {
              font-family: Source Han Sans CN;
              font-weight: bold;
              font-size: 14px;
              line-height: 14px;
              color: #D31F29;
            }
          }

          .footer-text {
            font-family: Source Han Sans CN;
            font-weight: 400;
            font-size: 12px;
            color: #666666;
            line-height: 12px;
          }
        }

        .line-item {
          width: 1px;
          height: 44px;
          border: 1px solid #999999;
          margin-left: 23px;
          margin-right: 24px;
        }
      }
    }

    .center-box {
      position: absolute;
      top: 146px;
      left: 40px;
      width: 336px;
      height: 378px;
      padding: 30px;
      background: #D31F29;
      box-shadow: 0px 18px 68px 0px rgba(116, 0, 6, 0.3);

      .header-text {
        font-family: Microsoft YaHei;
        font-weight: bold;
        font-size: 26px;
        color: #FFFFFF;
        line-height: 26px;
        margin-bottom: 12px;
      }

      .content-text {
        font-family: Source Han Sans CN;
        font-weight: 300;
        font-size: 14px;
        color: #FFFFFF;
        line-height: 1.5;
      }
    }
  }
}